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Molly Campbell

Senior Science Writer

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In the editorial team Molly reports on a broad range of scientific topics, covering the latest breaking news and writing long-form pieces for The Scientific Observer. She is a fervent believer that science – and science communications – should be accessible to everyone. In 2020, she created the Teach Me in 10 video series, where weekly guests discuss and teach a scientific concept in less than 10 minutes. Prior to joining Technology Networks in 2019, Molly worked as a clinical research associate in the NHS and as a freelance science writer. She has a first-class honors degree in Neuroscience from the University of Leeds and received a Partnership Award for her efforts in science communication.

Latest Content
A person having a hear aid fitted.

Gene Therapy Restores Hearing in Aged Model of Deafness

Researchers have demonstrated that gene therapy can successfully rescue hearing in an aged mouse model for the first time.

A picture of milk.

Mother’s Milk Nurses Heart Cells to Maturity in Mice

Researchers from the Spanish National Centre for Cardiovascular Research (NCIC) discovered that a fatty acid found in mother’s milk helps mouse pups’ hearts to mature. The study is published in Nature.
A picture of an oxygen pressure gauge.

Fast-Aging Mice Live Longer When Oxygen Is Restricted

Massachusetts General Hospital scientists have, for the first time, shown that oxygen restriction increases lifespan in a mouse model of aging. The research is published in PLOS Biology.
A person screaming in pain.

Chronic Pain Experience Recorded in Patients’ Brains

Scientists from the University of California San Francisco (UCSF) have, for the first time, recorded pain-related data from the brains of patients with chronic pain conditions.
A graphic of a hand of someone giving blood.

LGBTQ+ Health Expert's Take on FDA's Updates to Blood Donation Guidelines

We spoke with Professor Perry N. Halkitis, dean, distinguished professor and champion of LGBTQ+ rights, about the US FDA's recent reversal of its time-based deferrals and screening questions specific to gay and bisexual men for assessing blood donation eligibility.
A just-hatched killifish larvae stained with antibodies.

Old Muscles Reverse to “Early Life” State in Model of Aging

Researchers from the Australian Regenerative Medicine Institute (AMRI) at Monash University find that, towards the end of life, muscles “rejuvenate” to resemble their early-life metabolic state in an animal model of aging.
A model of a heart.

Heart Health Scores Lower in Sexual Minority Women

A study examining ideal cardiovascular health scores in sexual minority (SM) populations found that lesbian and bisexual women have lower scores compared to heterosexual women.
Sugar Substitutes “Not Advised” For Weight Control According to the WHO content piece image

Sugar Substitutes “Not Advised” for Weight Control According to the WHO

The World Health Organization (WHO) has published new guidance on the use of non-sugar sweeteners (NSS), in which it recommends they are not used to control body weight or reduce the risk of non-communicable diseases (NCD).
A picture of a DNA helix.

Interstrand Cross Links Improve Non-Viral Gene Editing

University of California (UC) Santa Barbara researchers have added to the ever-growing genome-editing toolbox. In Nature Biotechnology, they publish a method that improves CRISPR/Cas9 editing efficiency without using viral material.


The metabolites produced by a cell, tissue or organism represent the endpoint of the omics process. Download this infographic to learn more about metabolomics and how it is studied.